| Word | Definitions | Synonyms |
|---|---|---|
| fossil | (adjective) characteristic of a fossil | - |
| fossiliferous | (adjective) bearing or containing fossils | - |
| fossilised | (adjective) set in a rigidly conventional pattern of behavior, habits, or beliefs | Synonyms: fossilized, ossified |
| fossilized | (adjective) set in a rigidly conventional pattern of behavior, habits, or beliefs | Synonyms: fossilised, ossified |
| fossorial | (adjective) (of limbs and feet) adapted for digging | - |